本文整理汇总了Java中org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol类的典型用法代码示例。如果您正苦于以下问题:Java TestInterDatanodeProtocol类的具体用法?Java TestInterDatanodeProtocol怎么用?Java TestInterDatanodeProtocol使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
TestInterDatanodeProtocol类属于org.apache.hadoop.hdfs.server.datanode包,在下文中一共展示了TestInterDatanodeProtocol类的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: checkMetaInfo
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
static void checkMetaInfo(int namespaceId, Block b, InterDatanodeProtocol idp
) throws IOException {
TestInterDatanodeProtocol.checkMetaInfo(namespaceId, b, idp, null);
}
开发者ID:rhli,项目名称:hadoop-EAR,代码行数:5,代码来源:TestLeaseRecovery.java
示例2: checkMetaInfo
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
static void checkMetaInfo(int namespaceId, Block b, InterDatanodeProtocol idp)
throws IOException {
TestInterDatanodeProtocol.checkMetaInfo(namespaceId, b, idp, null);
}
开发者ID:rhli,项目名称:hadoop-EAR,代码行数:5,代码来源:TestChecksumFile.java
示例3: testRecoverZeroChecksumFile
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
public void testRecoverZeroChecksumFile() throws Exception {
MiniDFSCluster cluster = createMiniCluster();
try {
cluster.waitActive();
cluster.getDataNodes().get(0).useInlineChecksum = false;
// create a file
DistributedFileSystem dfs = (DistributedFileSystem) cluster
.getFileSystem();
String filestr = "/zeroSizeFile";
Path filepath = new Path(filestr);
FSDataOutputStream out = dfs.create(filepath, true);
// force creating data pipeline
Method nextBlockOutputStreamMethod = DFSOutputStream.class
.getDeclaredMethod("nextBlockOutputStream", String.class);
nextBlockOutputStreamMethod.setAccessible(true);
DatanodeInfo[] nodes = (DatanodeInfo[]) nextBlockOutputStreamMethod
.invoke(out.getWrappedStream(), dfs.dfs.getClientName());
// get data node
DataNode datanode = cluster.getDataNode(nodes[0].getIpcPort());
assertTrue(datanode != null);
// verifies checksum file is of length 0
LocatedBlockWithMetaInfo locatedblock = TestInterDatanodeProtocol
.getLastLocatedBlock(dfs.dfs.namenode, filestr);
Block lastblock = locatedblock.getBlock();
DataNode.LOG.info("newblocks=" + lastblock);
BlockPathInfo blockPathInfo = datanode.getBlockPathInfo(lastblock);
String blockPath = blockPathInfo.getBlockPath();
String metaPath = blockPathInfo.getMetaPath();
File f = new File(blockPath);
File meta = new File(metaPath);
assertEquals(0, f.length());
// set the checksum file to 0
meta.delete();
DataOutputStream outs = new DataOutputStream(new FileOutputStream(
metaPath, false));
outs.close();
// issue recovery and makit e sure it succeeds.
int numTries = 500;
for (int idxTry = 0; idxTry < numTries; idxTry++) {
boolean success = dfs.recoverLease(filepath);
if (success) {
break;
} else if (idxTry == numTries - 1) {
TestCase.fail("Recovery lease failed");
} else {
Thread.sleep(10);
}
}
// make sure the meta file is still empty
locatedblock = TestInterDatanodeProtocol.getLastLocatedBlock(
dfs.dfs.namenode, filestr);
Block newBlock = locatedblock.getBlock();
blockPathInfo = datanode.getBlockPathInfo(newBlock);
assertEquals(0, blockPathInfo.getNumBytes());
metaPath = blockPathInfo.getMetaPath();
meta = new File(metaPath);
assertEquals(0, meta.length());
// make sure the file can be opened and read.
InputStream in = dfs.open(new Path(filestr), 8);
TestCase.assertEquals(-1, in.read()); // EOF
in.close();
} finally {
cluster.shutdown();
}
}
开发者ID:rhli,项目名称:hadoop-EAR,代码行数:74,代码来源:TestChecksumFile.java
示例4: checkMetaInfo
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
static void checkMetaInfo(Block b, InterDatanodeProtocol idp
) throws IOException {
TestInterDatanodeProtocol.checkMetaInfo(b, idp, null);
}
开发者ID:Seagate,项目名称:hadoop-on-lustre,代码行数:5,代码来源:TestLeaseRecovery.java
示例5: checkMetaInfo
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
static void checkMetaInfo(Block b, DataNode dn
) throws IOException {
TestInterDatanodeProtocol.checkMetaInfo(b, dn);
}
开发者ID:cumulusyebl,项目名称:cumulus,代码行数:5,代码来源:TestLeaseRecovery.java
示例6: testRecoverZeroChecksumFile
import org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol; //导入依赖的package包/类
public void testRecoverZeroChecksumFile() throws Exception {
MiniDFSCluster cluster = createMiniCluster();
try {
cluster.waitActive();
// create a file
DistributedFileSystem dfs = (DistributedFileSystem) cluster
.getFileSystem();
String filestr = "/zeroSizeFile";
Path filepath = new Path(filestr);
FSDataOutputStream out = dfs.create(filepath, true);
// force creating data pipeline
Method nextBlockOutputStreamMethod = DFSOutputStream.class
.getDeclaredMethod("nextBlockOutputStream", String.class);
nextBlockOutputStreamMethod.setAccessible(true);
DatanodeInfo[] nodes = (DatanodeInfo[]) nextBlockOutputStreamMethod
.invoke(out.getWrappedStream(), dfs.dfs.getClientName());
// get data node
DataNode datanode = cluster.getDataNode(nodes[0].getIpcPort());
assertTrue(datanode != null);
// verifies checksum file is of length 0
LocatedBlockWithMetaInfo locatedblock = TestInterDatanodeProtocol
.getLastLocatedBlock(dfs.dfs.namenode, filestr);
Block lastblock = locatedblock.getBlock();
DataNode.LOG.info("newblocks=" + lastblock);
BlockPathInfo blockPathInfo = datanode.getBlockPathInfo(lastblock);
String blockPath = blockPathInfo.getBlockPath();
String metaPath = blockPathInfo.getMetaPath();
File f = new File(blockPath);
File meta = new File(metaPath);
assertEquals(0, f.length());
// set the checksum file to 0
meta.delete();
DataOutputStream outs = new DataOutputStream(new FileOutputStream(
metaPath, false));
outs.close();
// issue recovery and makit e sure it succeeds.
int numTries = 500;
for (int idxTry = 0; idxTry < numTries; idxTry++) {
boolean success = dfs.recoverLease(filepath);
if (success) {
break;
} else if (idxTry == numTries - 1) {
TestCase.fail("Recovery lease failed");
} else {
Thread.sleep(10);
}
}
// make sure the meta file is still empty
locatedblock = TestInterDatanodeProtocol.getLastLocatedBlock(
dfs.dfs.namenode, filestr);
Block newBlock = locatedblock.getBlock();
blockPathInfo = datanode.getBlockPathInfo(newBlock);
assertEquals(0, blockPathInfo.getNumBytes());
metaPath = blockPathInfo.getMetaPath();
meta = new File(metaPath);
assertEquals(0, meta.length());
// make sure the file can be opened and read.
InputStream in = dfs.open(new Path(filestr), 8);
TestCase.assertEquals(-1, in.read()); // EOF
in.close();
} finally {
cluster.shutdown();
}
}
开发者ID:iVCE,项目名称:RDFS,代码行数:73,代码来源:TestChecksumFile.java
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